#region Copyright and license information
// Copyright 2001-2009 Stephen Colebourne
// Copyright 2009-2011 Jon Skeet
// 
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// 
//     http://www.apache.org/licenses/LICENSE-2.0
// 
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#endregion
namespace NodaTime.Format
{
    /// <summary>
    ///   Provides an interface for value objects that are signed.
    /// </summary>
    internal interface ISignedValue
    {
        /// <summary>
        ///   Gets a value indicating whether this instance is negative.
        /// </summary>
        /// <value>
        ///   <c>true</c> if this instance is negative; otherwise, <c>false</c>.
        /// </value>
        bool IsNegative { get; }

        /// <summary>
        ///   Gets the sign string.
        /// </summary>
        string Sign { get; }
    }
}